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Individual Calculations August 2023 |
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| Stolyarsky, Yegor Total change: -14.80 | |   |
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| Kfar Saba Open Chess Championship 2023 | Kfar Saba | ISR | 2023-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1831 | 2058 | 5.00 | 8 | -1.02 | 20 | -20.40 | |
|  Gorelikov, Israel | | | 1658 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Ofir, Nevo | | | 1660 | ISR | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Medovoy, Yaniv | | | 1832 | ISR | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Schwarz, Harry | | | 1766 | ISR | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Gilor, Amit | | | 1735 | ISR | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Sitbon, Itay | | | 2184 | ISR | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Magen, Amnon | | | 2083 | ISR | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Kopelevitch, Eli | | | 1731 | ISR | 1.00 | 1 | 0.13 | 20 | 2.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 13th Kiryat Ono Summer Festival Open A | Kiryat Ono | ISR | 2023-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2062 | 2093 | 3.00 | 5 | 0.28 | 20 | 5.60 | |
| | Medovoy, Yaniv | | | 1850 | ISR | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Rozen, Eytan | m | | 2414 | ISR | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Zakin, Ilay | | | 1945 | ISR | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Solomon, Asif | f | | 2241 | ISR | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Azoulay, Yehonatan | | | 1861 | ISR | 1.00 | 1 | 0.21 | 20 | 4.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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